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Update vendor labstack/echo

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This commit is contained in:
Wim
2017-12-07 23:00:56 +01:00
parent 434393d1c3
commit 5c919e6bff
17 changed files with 335 additions and 143 deletions
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42
vendor/github.com/labstack/echo/middleware/proxy.go generated vendored
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@@ -1,7 +1,6 @@
package middleware
import (
"errors"
"fmt"
"io"
"math/rand"
@@ -54,35 +53,38 @@ type (
}
)
var (
// DefaultProxyConfig is the default Proxy middleware config.
DefaultProxyConfig = ProxyConfig{
Skipper: DefaultSkipper,
}
)
func proxyHTTP(t *ProxyTarget) http.Handler {
return httputil.NewSingleHostReverseProxy(t.URL)
}
func proxyRaw(t *ProxyTarget, c echo.Context) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
h, ok := w.(http.Hijacker)
if !ok {
c.Error(errors.New("proxy raw, not a hijacker"))
return
}
in, _, err := h.Hijack()
in, _, err := c.Response().Hijack()
if err != nil {
c.Error(fmt.Errorf("proxy raw, hijack error=%v, url=%s", r.URL, err))
c.Error(fmt.Errorf("proxy raw, hijack error=%v, url=%s", t.URL, err))
return
}
defer in.Close()
out, err := net.Dial("tcp", t.URL.Host)
if err != nil {
he := echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, dial error=%v, url=%s", r.URL, err))
he := echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, dial error=%v, url=%s", t.URL, err))
c.Error(he)
return
}
defer out.Close()
// Write header
err = r.Write(out)
if err != nil {
he := echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, request copy error=%v, url=%s", r.URL, err))
he := echo.NewHTTPError(http.StatusBadGateway, fmt.Sprintf("proxy raw, request header copy error=%v, url=%s", t.URL, err))
c.Error(he)
return
}
@@ -97,7 +99,7 @@ func proxyRaw(t *ProxyTarget, c echo.Context) http.Handler {
go cp(in, out)
err = <-errc
if err != nil && err != io.EOF {
c.Logger().Errorf("proxy raw, error=%v, url=%s", r.URL, err)
c.Logger().Errorf("proxy raw, copy body error=%v, url=%s", t.URL, err)
}
})
}
@@ -118,8 +120,18 @@ func (r *RoundRobinBalancer) Next() *ProxyTarget {
return t
}
// Proxy returns an HTTP/WebSocket reverse proxy middleware.
func Proxy(config ProxyConfig) echo.MiddlewareFunc {
// Proxy returns a Proxy middleware.
//
// Proxy middleware forwards the request to upstream server using a configured load balancing technique.
func Proxy(balancer ProxyBalancer) echo.MiddlewareFunc {
c := DefaultProxyConfig
c.Balancer = balancer
return ProxyWithConfig(c)
}
// ProxyWithConfig returns a Proxy middleware with config.
// See: `Proxy()`
func ProxyWithConfig(config ProxyConfig) echo.MiddlewareFunc {
// Defaults
if config.Skipper == nil {
config.Skipper = DefaultLoggerConfig.Skipper
@@ -130,6 +142,10 @@ func Proxy(config ProxyConfig) echo.MiddlewareFunc {
return func(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) (err error) {
if config.Skipper(c) {
return next(c)
}
req := c.Request()
res := c.Response()
tgt := config.Balancer.Next()